JP2013258477A - Head band and head mounting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a head band and a head mounting device which enable a user to find excellent fit to the user's head.SOLUTION: A head band comprises: an arc-shaped band body part which is to be worn on a user's head; and a pressing force adjustment part which adjusts pressing force on the user's head by changing a curved state of the band body part.

Description

  The present invention relates to a headband and a head mounting device.

  2. Description of the Related Art Headphones are well known as electronic devices worn on a user's head. As means for improving the wearability of the headphones, one in which a part of the headband can be expanded and contracted is known (for example, see Patent Document 1).

Japanese Utility Model Publication No. 7-42296

  Conventionally, in headphones, as described in Patent Document 1, the length of a headband can be adjusted to fit a user's head. However, the user's head shape is diverse. For example, the face length of the head is the same for a face that is long and narrow in the vertical direction (direction connecting the chin and forehead) and a face that is wide in the head and small in the vertical direction. Even so, in the conventional headphone adjustment mechanism, the pressure for clamping the head is different.

  In addition, there are a wide variety of user usage scenes, and a wearing state corresponding to the usage scene is required. For example, when wearing the headband on the head in a quiet state in the living room, there is no fear of the headband falling off, so the headband is loosely attached with the pressure holding the head weakened. It is desirable to do. On the other hand, when the headband is worn while the body is moved, it is desired that the headband is held with a strong pressure to prevent the headband from falling off. However, in the conventional headband, the clamping pressure changes in conjunction with the length adjustment, so it is difficult to obtain good wearability.

  The present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a headband and a head-mounted device that can easily obtain good wearability.

  The first aspect includes an arc-shaped band main body mounted on a user's head, and a pressing force adjusting unit that adjusts the pressing force to the head by changing the bending state of the band main body. It is a headband.

  ADVANTAGE OF THE INVENTION According to this invention, the headband excellent in mountability and the head mounting apparatus are provided.

The perspective view of the head mounted display of a 1st embodiment. The perspective view which looked at the head mounted display from the back side. The figure which shows the mounting | wearing form of the head mounted display of 1st Embodiment. The horizontal sectional view of a display main part. The disassembled perspective view of the rotation mechanism provided in the headband. The perspective view which shows the remote control attached to the head mounted display of embodiment. The perspective view which shows the stereo earphone attached to the head mounted display of embodiment. The functional block diagram of a head mounted display. Explanatory drawing regarding the band position exchange operation | movement of a headband. Explanatory drawing regarding the folding operation | movement of a headband. Explanatory drawing of the click mechanism of embodiment. Explanatory drawing regarding the weight balance of a head mounted display. The perspective view of the head mounted display which concerns on 2nd Embodiment. Explanatory drawing of the operation | movement of the headband which concerns on 2nd Embodiment. The figure which shows the modification of the 2nd headband which concerns on 2nd Embodiment. The perspective view of the head mounted display which concerns on 3rd Embodiment. The figure which shows the headband which concerns on 4th Embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited thereto. In the following description, an XYZ orthogonal coordinate system is set as necessary, and the positional relationship of each part will be described with reference to this XYZ orthogonal coordinate system. A predetermined direction in the horizontal plane is defined as an X-axis direction, a direction orthogonal to the X-axis direction in the horizontal plane is defined as a Y-axis direction, and a direction orthogonal to each of the X-axis direction and the Y-axis direction (that is, a vertical direction) is defined as a Z-axis direction. Further, the rotation (inclination) directions around the X axis, Y axis, and Z axis are the θX, θY, and θZ directions, respectively.

(First embodiment)
FIG. 1 is a perspective view of the head mounted display of the present embodiment. FIG. 2 is a perspective view of the head mounted display as viewed from the back side. FIG. 3 is a diagram showing a mounting form of the head mounted display of the present embodiment. FIG. 4 is a horizontal sectional view of the display body.

The head mounted display (head mounted device) 1 is a monocular head mounted display including a display main body 20 and a headband 40 that is mounted on a user's head and supports the display main body 20. The head mounted display 1 of the present embodiment can be used with both eyes as shown in FIG. FIG. 3A shows a state where the user is viewing the display unit 60 with the right eye, and FIG. 3B shows a state where the user is viewing with the left eye. As shown in FIG. 2, the display main body 20 and the headband 40 are configured to be detachable via a connecting pin 41.
1 and 2, the longitudinal direction of the display main body 20 is defined as the Y-axis direction, and the direction in which the headband 40 sandwiches the user's head is defined as the X-axis direction.

Hereinafter, the configuration of each part of the head mounted display 1 will be described in detail.
The display main body 20 includes a device main body 21 that includes a main circuit and includes an operation unit and various interfaces, and a display unit 60 that is connected to the tip of the device main body 21.

  The apparatus main body 21 has a substantially plate-shaped housing 21A shown in FIG. In the present embodiment, an end portion (+ Y side end portion) on the side where the connection portion with the headband 40 is provided in the apparatus main body portion 21 is a base end portion, and an end portion on the opposite side of the base end portion ( The end on the -Y side) is the tip. Further, in a state where the apparatus main body 21 is attached to the headband 40, the headband 40 side (+ X side) of the apparatus main body 21 is the inside, and the opposite side (−X side) from the headband 40 is the outside.

As shown in FIG. 1, a main switch 28, a touch switch 34, and a sound collecting microphone 24 are arranged on the outer surface of the apparatus main body 21 along the longitudinal direction of the housing 21A.
The main switch 28 is a switch for turning on / off the power of the display body 20. The touch switch 34 is a touch panel that can perform various operations of the head mounted display 1 by touching the surface with a finger or the like. The sound collection microphone 24 is an external microphone that collects environmental sounds.

  As shown in FIG. 2, an ear speaker 23, an audio connector 26, and a headband hinge 32 having a connection hole 31 are provided on the base end side of the inner surface of the apparatus main body 21. A heart rate sensor 137 is provided at the center of the inner surface of the apparatus main body 21. A call microphone 37 is provided at the tip of the inner side surface of the apparatus main body 21.

  The ear speaker 23 is disposed in the vicinity of the user's ear. Audio information is transmitted from the ear speaker 23 to the user. The audio connector 26 is an audio input / output terminal to which, for example, the earphone shown in FIG. 7 is connected. The headband hinge 32 is a joint part with the headband 40. The voice of the user is input to the call microphone 37.

  The heart rate sensor 137 is a sensor that measures a user's heart rate by contacting the surface of the user's face. The heart rate sensor 137 includes a light emitting unit including a light emitting diode and the like, and a light receiving unit that detects light reflected inside the user's skin. The heart rate sensor 137 counts the heart rate by detecting a change in the amount of reflected light due to a change in blood flow. The heart rate sensor 137 is disposed near the user's eyes, but if the configuration is such that infrared light is emitted from the light emitting unit, the user will not feel glare.

A USB connector 25, an operation switch 30, and a video connector 27 are provided on the side end surface of the apparatus main body 21 on the base end side.
The USB connector 25 is a connection terminal of a USB (Universal Serial Bus) device. In the present embodiment, for example, a remote controller (remote controller) 14 shown in FIG. 6 is connected.
The operation switch 30 is a pointing device such as a trackball or a stick. The operation switch 30 is provided so as to face the screen displayed on the display unit 60. As a result, the left-right direction of the operation on the operation switch 30 matches the left-right direction of the screen, so that the user can intuitively operate the operation switch 30 while looking at the screen.
The video connector 27 is a video input / output terminal.

  As shown in FIG. 4, the apparatus body 21 includes a plate-like circuit board 29 extending along the longitudinal direction of the housing 21 </ b> A and a battery 33. A control circuit, a power supply circuit, and the like (not shown) are mounted on the circuit board 29, and are electrically connected to each part of the display body 20 via wiring (not shown).

  A display panel 36 made of a liquid crystal panel and a backlight 35 are arranged inside the touch switch 34 exposed on the outer surface of the apparatus main body 21. In the present embodiment, the display image on the display panel 36 is displayed through the touch switch 34. The display panel 36 and the backlight 35 may be an organic EL panel or an electrophoresis panel.

  The headband hinge 32 is a ball joint composed of a concavely curved housing portion 32a provided in the housing 21A and a spherical portion 32b fitted to the housing portion 32a. The spherical portion 32b has a spherical side surface portion and two plane portions formed in parallel to each other so as to sandwich the side surface portion. A connecting hole 31 is formed so as to penetrate the two flat portions vertically. The connection hole 31 is formed in a hexagonal shape when viewed in the axial direction. The display main body 20 and the headband 40 are connected by inserting the connection pin 41 of the headband 40 into the connection hole 31.

  By providing the headband hinge 32, the display main body 20 can be rotated in the A direction (around the X axis centering on the headband hinge 32) shown in FIG. In the present embodiment, the rotatable range of the display body 20 is about 270 °. By the rotation operation around the X axis, a switching function between a mode in which an image is observed with the right eye shown in FIG. 3A and a mode in which an image is observed with the left eye shown in FIG. 3B is realized.

  Further, since the headband hinge 32 is a ball joint, the display main body 20 can also be swung in the B direction (around the Z axis centering on the headband hinge 32) shown in FIG. By this swinging operation, the position of the display main body 20 relative to the user's eyes and ears can be adjusted.

  The heart rate sensor 137 in the vicinity of the headband hinge 32 is provided so as to protrude from the inner surface of the apparatus main body 21, and can contact the surface of the user's face when the head mounted display 1 is worn. The battery 33 may be a rechargeable battery or a disposable battery.

  As shown in FIGS. 1 and 2, the display unit 60 is connected to the distal end portion of the apparatus main body unit 21. In the present embodiment, the headband 40 side of the display unit 60 is the inside, and the side opposite to the headband 40 is the outside. The display unit 60 is an arm member that has a curved shape in a top view (Z-axis view), and has a shape that curves inward from the connecting portion with the apparatus main body 21 toward the distal end side. A finder opening 67 is provided on the inner surface of the display unit 60. A camera 64 is provided on the outer surface of the display unit 60.

  As shown in FIG. 4, the display unit 60 is connected to the apparatus main body 21 via a display hinge 61. The display hinge 61 is a ball joint composed of a concave curved housing 61a formed in the housing 60A of the display 60 and a spherical portion 61b formed in the apparatus main body 21 and fitted in the housing 61a. .

  The spherical portion 61 b of the apparatus main body 21 is provided at the outer surface tip of the apparatus main body 21. An inclined surface extending obliquely with respect to the longitudinal direction of the housing 21A is formed at the outer surface tip. The spherical portion 61b is provided so as to protrude in the normal direction (Y′-axis direction in FIG. 4) of the inclined surface.

  The display unit 60 can be freely rotated around the Y ′ axis with respect to the spherical portion 61 b of the display hinge 61. Thereby, the display unit 60 can be rotated from the viewable state shown in FIG. 4A to shift to the accommodation state shown in FIG. In the present embodiment, the display hinge 61 is provided on the inclined surface of the apparatus main body 21, and the display unit 60 has a shape curved inward. Thereby, in the accommodation state shown in FIG. 4B, the display unit 60 is arranged along the outer surface of the apparatus main body unit 21.

  Further, since the display hinge 61 is a ball joint, the display unit 60 can swing in a direction orthogonal to the rotation plane around the Y ′ axis. This swinging operation facilitates position adjustment of the finder opening 67 by the user. If the interval between the display unit 60 and the apparatus main body unit 21 is increased, the swinging width of the display unit 60 can be increased.

  The spherical portion 61b of the display hinge 61 is formed with a through hole 61c that penetrates the spherical portion 61b in the height direction (Y′-axis direction). The inside of the display unit 60 and the inside of the apparatus main body unit 21 are communicated with each other through the through hole 61c. A cable (not shown) is inserted through the through hole 61c. The circuit board 29 and each part of the display unit 60 are electrically connected via the inserted cable.

  Inside the display unit 60, there are a backlight 62, a display panel 63, a camera 64, a prism 65, a reflection mirror 66, a front light 68, a front speaker 70, an imaging lens 71, and an image sensor 72. And are provided.

  The prism 65 has a configuration in which a substantially triangular first prism 65a and a second prism 65b are bonded to each other on a top view (Z-axis view). A display panel 63 made of a liquid crystal panel is provided at a position facing one of the other two surfaces of the first prism 65a other than the bonding surface. A backlight 62 that transmits and illuminates the display panel 63 is disposed on the back surface of the display panel 63. A reflection mirror 66 is disposed at a position facing the other surface of the first prism 65a. The reflection mirror 66 is located substantially in front of the finder opening 67.

  Of the two surfaces other than the bonding surface of the second prism 65 b, one surface is a viewfinder eyepiece disposed in the viewfinder opening 67. An imaging element 72 is disposed opposite to the other surface of the second prism 65b via the imaging lens 71.

  In the display unit 60, the image displayed on the display panel 63 is emitted from the finder opening 67 through the first prism 65a, the reflection mirror 66, and the second prism 65b, and is observed by the user. The eye of the user looking at the finder opening 67 is imaged on the image sensor 72 via the second prism 65 b and the imaging lens 71. The eye image acquired through the image sensor 72 is used for analyzing the direction of the user's line of sight, blinking, and facial expression. The backlight 62 is also used as a lighting device for photographing the eye by the image sensor 72.

The camera 64 includes, for example, an image sensor with 5 to 10 million pixels, and is configured to be able to perform an autofocus operation.
In the case of this embodiment, the shooting direction of the camera 64 is set so as to coincide with the user's line-of-sight direction. The adjustment between the photographing direction and the line-of-sight direction may be performed mechanically or by image processing. For example, the camera 64 is configured to be able to acquire a wide-angle image, and a part of the electrically captured image is extracted as an image in the line-of-sight direction based on the information on the line-of-sight direction acquired from the user's eye image. 63 is displayed. As a result, it is possible to shoot and display an image in front of the user without providing an adjustment mechanism in the camera 64.

  The front light 68 is, for example, an LED light. The front light 68 may include red, green, and blue light emitting elements, and may be configured to emit any color at any timing. The front light 68 may be used as a device that displays information to the outside depending on the light emission color and the light emission timing, or may be used as an illumination device when photographing with the camera 64.

  Although not shown in FIG. 4, the display unit 60 according to the present embodiment is provided with a laser transmitter. The laser transmitter can be provided in the vicinity of the front light 68, for example. By irradiating, for example, red laser light emitted from a laser transmitter forward, pointing (display of an index) with the laser light is possible.

Next, the headband 40 will be described with reference to FIGS. 1, 2, and 5. FIG. 5 is an exploded perspective view of the rotation mechanism provided in the headband 40.
As shown in FIG. 2, the headband 40 includes a pair of head pads (mounting members) 46 and 47 that sandwich the user's head, a first headband 43, and a second headband (band main body) 44. , And rotation mechanisms 56 and 57.

  The first headband 43 is an elastic member having an arc shape as a whole. The first headband 43 is a low-rigid elastic member that can be easily bent by a user's hand. A joint portion 43 a for bending the first headband 43 is provided on the top of the first headband 43. At both ends of the first headband 43, bearing portions 43b and 43c constituting the rotation mechanisms 56 and 57 are provided, respectively. Bearing portions 43d and 43e to which the head pads 46 and 47 are connected are provided further on the front end side of the band than the bearing portions 43b and 43c.

  The second headband 44 is an elastic member having an arc shape as a whole. Each of the second headbands 44 is configured by connecting a substantially rod-shaped first member 44A and a second member 44B via a joint portion (connecting portion) 44a having a rotation mechanism. 44 A of 1st members and 44 B of 2nd members have the structure which coat | covered the surface of the rod-shaped spring member 48 which consists of metals, such as stainless steel, with flexible materials, such as resin. At both ends of the second headband 44, shaft members 44b and 44c constituting rotation mechanisms 56 and 57 are provided.

  A plurality of engagement holes (fixed portions) 451 are formed at positions near the rotation mechanism 56 of the first member 44A. A plurality of engagement holes (fixed portions) 452 are formed at positions in the vicinity of the rotation mechanism 57 of the second member 44B. A plurality of engagement holes 451 and 452 are arranged at predetermined intervals along the extending direction of the second headband 44. The number of the engagement holes 451 and 452 can be arbitrarily selected.

  On the inner surface of the second headband 44 (surface disposed on the user side), a wire (connection member) 55 is bridged along the extending direction of the second headband 44. The length of the wire 55 is shorter than the length of the portion along the wire 55 of the second headband 44. One end 450 a of the wire 55 is engaged with one of a plurality of engagement holes 451 provided in the vicinity of the rotation mechanism 56. The other end 450 b of the wire 55 is engaged with one of a plurality of engagement holes 452 provided in the vicinity of the rotation mechanism 57. In the present embodiment, the engagement holes 451 and 452 constitute a tension adjusting mechanism that changes the tension acting on the wire 55.

  Six ring-shaped guide members 58 a to 58 f are provided at a plurality of locations on the inner surface of the second headband 44. Three guide members 58a, 58b, and 58c are provided on the first member 44A, and the other three guide members 58d, 58e, and 58f are provided on the second member 44B. The wire 55 is inserted through each of the guide members 58a to 58f. A portion of the wire 55 that spans between the guide members 58c and 58d is disposed across the joint portion 44a.

  The first member 44 </ b> A and the second member 44 </ b> B incorporating the spring member 48 have a substantially straight rod shape when no stress is applied. In the second headband 44 that is mounted on the user's head (first state), the first member 44A and the second member 44B are held in a curved state by the wire 55 that is shorter than the second headband 44. .

  The joint portion 44 a is provided at a position corresponding to the top portion of the second headband 44. The second headband 44 can be bent by bending the joint portion 44a. The joint portion 44a is provided with a posture holding mechanism for holding the second headband 44 in an extended state or a folded state. Examples of the posture holding mechanism include a click mechanism that stops and holds the joint portion 44a at a predetermined angle.

In the present embodiment, as the click mechanism, a rotation restraining member (not shown) that restricts the bending direction when the second headband 44 is folded to one direction is provided in the joint portion 44a, and the elastic force of the second headband 44 is provided. And a mechanism for holding the second headband 44 in an extended state using the tension of the wire 55. In such a mechanism, the guide member is arranged such that the position of the wire 55 straddling the joint portion 44a in the extended state is located between the center of the rotation shaft (swing shaft) provided in the joint portion 44a and the rotation restraining member. The positions of 58c and 58d are adjusted.
In addition, as a click mechanism, you may use the mechanism which fits a ball plunger or a resin protrusion in a recessed part.

  Further, the second headband 44 is formed wider than the first headband 43. The formation part of the joint part 44a is a mark display part 49 formed wider than the other band parts. A product tag or the like is attached to the mark display section 49 by sticker or printing. The entire second headband 44 may be made of metal.

  The head pad 46 includes a plate-like support plate 46a and an elastic member 46b having an arched cross section provided on one surface side of the support plate 46a. On the surface of the support plate 46a opposite to the elastic member 46b, a substantially hexagonal column-shaped connecting pin 41 is erected in a posture perpendicular to the surface. The connecting pin 41 is pivotally supported by a bearing portion 43 d provided at one end of the first headband 43. As a result, the head pad 46 can rotate around the connecting pin 41.

  The head pad 47 includes a plate-like support plate 47a and an elastic member 47b having an arcuate cross section provided on one surface of the support plate 47a. A shaft member 47c (FIG. 2) is provided on the surface of the support plate 47a opposite to the elastic member 47b. The shaft member 47 c is pivotally supported by a bearing portion 43 e provided at the tip of the first headband 43. Thereby, the head pad 47 can rotate around the shaft member 47c.

The rotation mechanism 56 includes a bearing portion 43b of the first headband 43, a shaft member 44b of the second headband 44, a coil spring 50, a washer 51, and a bolt 52.
On the outer surface of the bearing portion 43b of the first headband 43, fan-shaped projections 56b and 56c are formed on both sides of the through hole 56a of the bearing portion 43b. In the case of this embodiment, the two protrusions 56b and 56c hold the first headband 43 in the vertical posture (the posture in which the first headband 43 extends vertically in the X direction view of FIG. 1). Sometimes, they are formed in positions aligned in the horizontal direction.

  On the inner side surface of the shaft member 44b of the second headband 44, a cylindrical insertion shaft portion 56d erected perpendicularly to the surface, and two protrusions disposed so as to sandwich the insertion shaft portion 56d in the radial direction A portion 56e is provided. A female screw portion (not shown) to which the bolt 52 is screwed is formed on the distal end surface of the insertion shaft portion 56d. In FIG. 5, only one protrusion 56e is shown, but it is also formed on the opposite side across the insertion shaft portion 56d. The two protrusions 56e are formed at positions aligned in the horizontal direction when the second headband 44 is held in a vertical posture.

  In the rotation mechanism 56, the insertion shaft portion 56d of the shaft member 44b is inserted through the through hole 56a of the bearing portion 43b. A coil spring 50 and a washer 51 are arranged in this order on the inner surface of the bearing portion 43b. A bolt 52 is screwed into the insertion shaft portion 56d in a state where the coil spring 50 and the washer 51 are sandwiched. With the above configuration, the shaft member 44b and the bearing portion 43b are rotatably connected. Further, a biasing force that presses the shaft member 44b against the bearing portion 43b acts by the coil spring 50.

  In the present embodiment, the rotation mechanism 56 functions as an urging mechanism that urges the second headband 44 in a direction in which the second headband 44 is pulled away from the first headband 43. In the rotation mechanism 56, the protrusions 56b and 56c of the bearing 43b are formed at positions facing the protrusion 56e of the shaft member 44b. The bearing portion 43 b is pressed against the shaft member 44 b by the coil spring 50. The protrusion 56e slides on the protrusions 56b and 56c by this pressing force, so that a moment is generated in a direction in which the second headband 44 is separated from the first headband 43.

  The moment is once zero in the vicinity of the position where the first headband 43 and the second headband 44 overlap with the protrusion 56e and the protrusions 56b and 56c riding on top of each other. Then, when the shaft member 44b of the second headband 44 rotates even a little from the state of riding on this apex, a force for further rotating the shaft member 44b acts in the rotation direction. That is, the rotation mechanism 56 has a so-called toggle type spring structure. As a result, the same urging force is applied when the second headband 44 is moved in any of the front and rear directions of the first headband 43 (direction C in FIG. 2).

On the other hand, the rotation mechanism 57 includes a bearing portion 43 c of the first head band 43, a shaft member 44 c of the second head band 44, and a snap ring 53.
On the outer surface of the bearing portion 43c, a substantially fan-shaped protrusion 57b is formed in plan view. The protrusion 57b is formed at a position that is disposed vertically above the through hole 57a when the first headband 43 is held in a vertical posture. On the inner side surface of the shaft member 44c, there are provided an insertion shaft 57c erected perpendicularly to the surface, and a restraining portion 57d made of a semicircular projection coaxial with the insertion shaft 57c. .

  In the rotation mechanism 57, the insertion shaft 57c of the shaft member 44c is inserted through the through hole 57a of the bearing portion 43c. A snap ring 53 is fitted to the tip of the insertion shaft 57c inside the bearing portion 43c. Thereby, the shaft member 44c and the bearing portion 43c are rotatably connected.

  The rotation mechanism 57 functions as a regulation mechanism that regulates the rotation angle of the second headband 44. In the rotation mechanism 57, the protrusion 57b of the bearing portion 43c is disposed in an area of the inner surface of the shaft member 44c where the stop portion 57d is not formed. As a result, when the second headband 44 is tilted to a predetermined angle, the side surface of the protrusion 57b (the surface parallel to the radial direction of the through hole 57a) is the side surface of the stop portion 57d of the shaft member 44c (the radial direction of the insertion shaft 57c). The second headband 44 is restrained from further movement. The restraining operation by the restraining portion 57d functions regardless of whether the second headband 44 moves in the front-rear direction (C direction) of the first headband 43. In other words, the rotation angle of the second headband 44 is limited by the restraining portion 57d so as to be equal to or less than a predetermined angle.

  With the above configuration, the second headband 44 is urged to rotate in a direction away from the first headband 43 by the rotation mechanism 56, while within a predetermined angle with respect to the first headband 43 by the rotation mechanism 57. Rotation is restricted within the range. As a result, the second headband 44 is held at a predetermined angle with respect to the first headband 43. Therefore, the rotation mechanisms 56 and 57 function as an angle holding mechanism in the headband 40.

FIG. 6 is a perspective view showing a remote controller attached to the head mounted display of this embodiment.
The remote controller 140 includes a housing 14A, a touch pad 141, an operation switch 147, a USB connector 142, indicators 143a, 143b, and 143c, a mounting clip 144, and an indicator switch 150.

  The remote controller 140 is electrically connected to the apparatus main body 21 by connecting one terminal of the USB cable 148 to the USB connector 142 and connecting the other terminal to the USB connector 25 of the apparatus main body 21. A commercially available USB cable can be used as the USB cable 148. In the present embodiment, a plurality of clips 149 are provided in the middle of the USB cable 148. The plurality of clips 149 can be used to fix the USB cable 148 along the second headband 44, for example.

  The remote control 140 incorporates a communication circuit for performing wireless communication with the display main body 20 and other electronic devices. As a communication method of the communication circuit, for example, Bluetooth (registered trademark), wireless LAN, infrared communication, UWB (Ultra Wide Band), Transfer Jet, or the like can be used. With such a communication circuit, communication with the display main body 20 is possible even when the USB cable 148 is not connected.

  The remote control 140 may incorporate an acceleration sensor or a direction sensor. Information detected by these sensors can also be communicated to the display body 20 via the communication circuit described above.

  The touch pad 141 is provided on one main surface of the housing 14A. The touch pad 141 is an operation unit for operating the display main body 20 when the user touches. A display panel and a backlight may be provided in the housing 14 </ b> A on the back side of the touch pad 141, similarly to the touch switch 34 of the device main body 21.

  The operation switch 147 is a switch for manually operating the remote controller 140 and the display main body 20. The operation switch 147 may be provided as necessary. The indicator switch 150 provided on the side surface of the housing 14A is a switch for performing a predetermined operation using the indicators 143a to 143c.

The USB connector 142 is used not only for connection with the apparatus main body 21 but also for connection with a charging terminal of the remote control 140 or a PC when the remote control 140 has a built-in rechargeable battery.
When the remote controller 140 has a built-in battery, it can also be used as a power supply terminal for the apparatus main body 21. By making the battery of the remote control 140 usable as an auxiliary power source, the battery capacity of the device main body 21 can be reduced, and the device main body 21 can be reduced in size and weight.

  Indicators 143a, 143b, and 143c are arranged around the touch pad 141. In the present embodiment, the indicator 143a is arranged at a position along one side of the touch pad 141, and the indicator 143b and the indicator 143c are arranged on the opposite side of the touch pad 141 with respect to the indicator 143a.

  The indicators 143a to 143c include light emitting elements such as LEDs. In the present embodiment, the indicator 143a includes a green light emitting element, the indicator 143b includes an orange light emitting element, and the indicator 143c includes a blue light emitting element. These light emitting elements are configured to be capable of pattern light emission at controlled timing. The pattern light emission of the indicators 143a to 143c can be turned on / off by operating the indicator switch 150 on the side surface of the housing 14A.

  The pattern light emission of the indicators 143a to 143c indicates, for example, the state of the remote controller 140 (for example, the up / down / left / right tilt state of the remote controller 140). It is possible to transmit the state of the remote controller 140 to the apparatus main body 21 by photographing such pattern emission with the camera 64 of the apparatus main body 21 and analyzing the acquired image. The information transmission method using the indicators 143a to 143c can suppress power consumption as compared with the case where wireless communication such as Bluetooth (registered trademark) is used.

  The attachment clip 144 is provided on the surface of the housing 14A opposite to the touch pad 141. In the case of this embodiment, the attachment clip 144 is an S-shaped spring plate member having one end fixed to the housing 14A. With the attachment clip 144, the remote controller 140 can be attached to a user's clothes, belt, or the like.

  Further, the remote controller 140 may be attached to the headband 40 by sandwiching the vicinity of the head pad 47 with the attachment clip 144. By attaching the display main body 20 to the head pad 46 of the headband 40 and attaching the remote controller 140 to the head pad 47 side, it is possible to reduce the imbalance in the weight balance in the head mounted display 1.

FIG. 7 is a perspective view showing a stereo earphone attached to the head mounted display of the present embodiment.
Stereo earphone 100 includes a connector 101, a cable 102, a first speaker 103, a second speaker 104, a sound collecting microphone 105, and a plurality of clips 106.

  The connector 101 is provided at one end of the cable 102. The connector 101 is a general 4-pole φ3.5 mm mini plug. The breakdown of the four poles is the sound collection microphone 105, the first speaker 103, the second speaker 104, and the ground (GND). The cable 102 is bifurcated in the vicinity of the connector 101, and a first speaker 103 is provided at the end of the branched cable. A second speaker 104 and a sound collecting microphone 105 are provided at the other end of the cable 102. The plurality of clips 106 are arranged on the cable 102 at a predetermined interval.

  The stereo earphone 100 is used by connecting the connector 101 to the audio connector 26 of the display body 20. When the stereo earphone 100 is connected, the ear speaker 23 of the display body 20 and the call microphone 37 of the display unit 60 are invalidated. Further, the front speaker 70 of the display unit 60 is also invalidated as necessary. Then, the first speaker 103, the second speaker 104, and the sound collecting microphone 105 of the stereo earphone 100 are activated.

  The first speaker 103 of the stereo earphone 100 is attached to the ear of the user on the side where the display main body 20 is arranged, and the second speaker 104 is attached to the ear on the opposite side to the first speaker 103. At this time, the cable 102 can be fixed to the second headband 44 by the clip 106.

  Further, stereo recording can be performed by the sound collecting microphone 105 of the stereo earphone 100 and the sound collecting microphone 24 provided on the outer surface of the housing 21 </ b> A in the display main body 20. For example, if the display main body 20 is arranged on the right eye side as shown in FIG. 3A, the sound collecting microphone 24 of the display main body 20 collects sounds on the right side of the user and is attached to the left ear. The sound collecting microphone 105 collects the sound on the left side of the user. The right channel sound is output from the first speaker 103 of the stereo earphone 100, and the left channel sound is output from the second speaker 104.

  On the other hand, when the display main body 20 is arranged on the left eye side as shown in FIG. 3B, the sound collecting microphone 24 of the display main body 20 collects the sound of the left side of the user and is attached to the right ear. The sound collecting microphone 105 collects the sound on the right side of the user. The left channel sound is output from the first speaker 103 of the stereo earphone 100, and the right channel sound is output from the second speaker 104.

  In the case of the present embodiment, since the sound collection microphones 24 and 105 are both disposed in the vicinity of the user's ear, recording with a sense of reality such as binaural recording is possible. Also, by using microphones having the same characteristics as the sound collecting microphone 24 and the sound collecting microphone 105, the difference in the characteristics of the left and right sounds can be reduced.

FIG. 8 is a functional block diagram of the head mounted display 1.
The head mounted display 1 is provided with various electric circuits centering on the processing unit 123. The processing unit 123 is a CPU (Central Processing Unit) and is connected to various circuits of the head mounted display 1 and comprehensively controls the head mounted display 1.

  In this embodiment, the processing unit 123 includes an encoder 129 and a decoder 121, a power supply circuit 120, an operation switch 30, a flash memory 122, a BT communication circuit 130, a WiFi communication circuit 131, an acceleration sensor 132, a geomagnetic sensor 133, and a front light. 68, 3G / LTE communication circuit 138, laser transmitter 73, angular velocity sensor 134, GPS sensor 135, temperature / humidity sensor 136, heart rate sensor 137, memory 127, main switch 28, and touch switch 34 are connected.

  The encoder 129 encodes (encodes) the audio signal and the video signal into audio data and video data of a predetermined method. Connected to the encoder 129 are a camera 64, an image sensor 72, a sound collection microphone 24, a call microphone 37, an audio connector 26, and a video connector 27.

  The encoder 129 includes an audio signal input from the sound collection microphone 24 and the call microphone 37, a video signal input from the camera 64, an audio signal input from the audio connector 26, a video signal input from the video connector 27, and The video signal of the image sensor 72 that captures the user's eyes is input. The audio signal and video signal input to the encoder 129 are encoded into audio data and video data, and then input to the processing unit 123. The input audio data and video data are used for a reproduction operation by the processing unit 123 or recorded in the flash memory 122.

  The decoder 121 decodes (decodes) audio data and video data into audio signals and video signals. An LCD driver 125, a speaker amplifier 162, an audio connector 26, and a video connector 27 are connected to the decoder 121. The LCD driver 125 is a drive control device for a liquid crystal panel, and is connected to the display panel 36 and the display panel 63. The speaker amplifier 162 is a device that amplifies an audio signal and outputs it to the speaker, and is connected to the ear speaker 23 and the front speaker 70.

  When reproducing the video data, the video data recorded in the flash memory 122 or the video data input from the encoder 129 is input to the decoder 121 via the processing unit 123. The video data input to the decoder 121 is decoded into a video signal and then supplied to the display panels 36 and 63 via the LCD driver 125. Then, an image based on the image data is displayed on the display panel 36 or the display panel 63 to which the image signal is input. The video signal output from the decoder 121 to the video connector 27 is output to an external device via the video connector 27.

  When displaying the video, the processing unit 123 turns on the backlight 35 for the display panel 36 and the backlight 62 for the display panel 63 as necessary. The BL driver 126 is a drive control device for the backlight, and is connected to the backlight 35 and the backlight 62. The processing unit 123 transmits a drive signal to the BL driver 126, and the BL driver 126 lights the backlights 35 and 62 individually.

  When reproducing the audio data, the audio data recorded in the flash memory 122 or the audio data input from the encoder 129 is input to the decoder 121 via the processing unit 123. The audio data input to the decoder 121 is decoded into an audio signal and then output to one or both of the ear speaker 23 and the front speaker 70 via the speaker amplifier 162. Then, sound is output from the ear speaker 23 or the front speaker 70 to which the sound signal is input. The audio signal output from the decoder 121 to the audio connector 26 is output to the stereo earphone 100 via the audio connector 26.

  In the case of this embodiment, the ear speaker 23 and the front speaker 70 are assumed to use monaural sound, and the ear speaker 23 and the front speaker 70 emit a sound in which left and right audio signals are synthesized.

  On the other hand, when an audio signal is output to the stereo earphone 100, the sound of the left channel or the right channel of the first speaker 103 and the second speaker 104 is output. Here, since the head mounted display 1 of this embodiment is for both left and right, the channel of the audio signal to the stereo earphone 100 is switched according to the mounting position. That is, when the display body 20 is attached to the right eye, the right channel sound is output to the first speaker 103 and the left channel sound is output to the second speaker 104. When the display body 20 is attached to the left eye, the left channel sound is output to the first speaker 103 and the right channel sound is output to the second speaker 104.

The memory 127 stores a control program executed by the processing unit 123.
When the main switch 28 for turning on / off the entire power source, the operation switch 30 for performing a pointing operation on the screen, or the touch switch 34 for performing various operations by a touch operation are operated by the user, the operation can be performed from these switches. A control signal is output to the processing unit 123. The processing unit 123 detects an operation based on the control signal, and executes an operation defined in the control program.

  The BT communication circuit 130 is a communication circuit for performing Bluetooth (registered trademark) communication with other devices. The WiFi communication circuit 131 is a communication circuit for performing wireless LAN communication (IEEE 802.11) with other devices. The 3G / LTE communication circuit 138 is a communication circuit for performing mobile communication with other devices.

  The acceleration sensor 132 is used for detecting the tilt of the head mounted display 1. The geomagnetic sensor 133 is used for detecting the direction of the head mounted display 1. An angular velocity sensor (gyro sensor) 134 is used to detect rotation of the head mounted display 1. The GPS sensor 135 is used for positioning detection using GPS (Global Positioning System). The temperature / humidity sensor 136 is used to detect the temperature and humidity of the environment. The heart rate sensor 137 contacts the user's cheek and detects the user's heart rate.

  According to the head mounted display 1 of the present embodiment having the above-described configuration, the end portions 450a and 450b of the wire 55 can be connected to the arbitrary engagement holes 451 and 452 in the second headband 44. it can. Accordingly, the relative length relationship between the wire 55 and the second headband 44 can be freely adjusted, and the curvature of the second headband 44 can be adjusted without changing the overall length of the second headband 44. can do.

  Therefore, in the headband 40 according to the present embodiment, the interval between the head pads 46 and 47 that clamp the user's head can be freely adjusted. It can be adjusted to an appropriate size according to the height. As a result, the user can easily obtain a good wearing state.

Next, the operation of the headband in the head mounted display 1 of this embodiment will be described with reference to FIGS. 3, 9, and 10. FIG.
FIG. 9 is an explanatory diagram regarding the band position changing operation of the headband. FIG. 10 is an explanatory diagram regarding the headband folding operation.

As shown in FIG. 3, the head-mounted display 1 of the present embodiment can be used by switching between the right-eye observation mode shown in FIG. 3 (A) and the left-eye observation mode shown in FIG. 3 (B). .
For example, to switch from the right-eye observation mode to the left-eye observation mode, the display main body 20 connected to the headband 40 is rotated about 180 ° around the rotation axis of the headband hinge 32 (direction A in the drawing). Further, in the headband 40, the second headband 44 is rotated around the axis of the rotation mechanisms 56 and 57 and moved to the opposite side with respect to the first headband 43. By this operation, as shown in FIG. 3 (B), the display main body 20 is arranged on the left eye side of the user, and the second headband 44 is switched to the left eye observation form arranged on the occipital side of the user. it can.

In the present embodiment, as shown in FIG. 9, the arc height r1 of the first headband 43 is made smaller than the arc height r2 of the second headband 44. As a result, even if the second headband 44 is moved so as to intersect the first headband 43, the front and rear can be switched smoothly without interfering with each other.
The arc height r1 shown in FIG. 9A is the maximum value of the distance from the center position C of the rotation axis L of the rotation mechanisms 56 and 57 arranged coaxially to the first headband 43. The arc height r2 is the maximum value of the distance from the center position C of the rotation axis L to the second headband 44.

In the case of the present embodiment, a wire 55 and guide members 58 a to 58 f that support the wire 55 are provided inside the second headband 44. Therefore, the relationship between the arc height r1 of the first headband 43 and the arc height r2 of the second headband 44 satisfies the condition that the first headband 43 and the wires 55 and the guide members 58a to 58f do not interfere with each other. Set as follows.
In the present embodiment, the arc height r1 of the first headband 43 is larger than the arc height r2 of the second headband 44, and the second headband 44 is swung inside the first headband 43. It is good.

  In the present embodiment, the hinges of the joint portions 43a and 44a are coupled so that the band on the side connected to the head pad 47 is on the inside. Accordingly, the head pad 47 is disposed inside the head pad 46 (on the elastic member 46b side) in the folded state shown in FIG. With this configuration, the headband 40 can be folded in a compact manner so that the connecting pin 41 protruding from the head pad 46 does not get in the way.

  In addition, as shown in FIG. 10, the headband 40 of the present embodiment has a configuration in which the first headband 43 and the second headband 44 can be folded. 10B and 10C, the first headband 43 is not shown in order to make the operation of the second headband 44 easier to see.

  In order to fold the headband 40, first, the second headband 44 is moved closer to the first headband 43 as shown in FIG. Thereafter, the joint portion 43a provided on the first headband 43 and the joint portion 44a provided on the second headband 44 are respectively bent, so that the head pad 47 is moved to the head pad as shown in FIG. Move to 46 side. Thereafter, by bending the joint portions 43a and 44a further deeply, the head pads 46 and 47 can be folded to a position where they overlap as shown in the figure.

  When the second headband 44 is folded, as shown in FIG. 10C, the wire 55 that straddles the joint portion 44a is in a loose state. Moreover, since the wire 55 is movably supported by the guide members 58a to 58f, the wire 55 is in a relaxed state over its entire length. As a result, the stress that has held the second headband 44 in a curved state is released. As a result, as shown in FIG. 10B, both the first member 44A and the second member 44B constituting the second headband 44 are substantially straight rods. In addition, since the stress acting on the first headband 43 is also released, the first headband 43 also has a substantially straight rod shape in a folded state. As described above, the headband 40 can be folded in a compact manner.

  In the present embodiment, the joint portion 44a is provided with a click mechanism that maintains the posture of the second headband 44 and provides an operation feeling to the user. FIG. 11 is an explanatory diagram of the click mechanism of the present embodiment. FIG. 11 shows a process when the second headband 44 is extended from the folded state.

  First, in the folded second headband 44, as shown in FIG. 11A, the wire 55 between the guide member 58c and the guide member 58d is in a loose state. In the joint portion 44a, a rotation stopping member 45a made of, for example, a projecting structure is provided on the surface of the first member 44A on the second member 44B side. On the surface of the second member 44B on the first member 44A side, for example, a rotation stopping member 45b made of a projecting structure is provided. The rotation stop member 45a and the rotation stop member 45b are provided on the same track around the rotation shaft 45 of the joint portion 44a.

  In the present embodiment, the guide member 58c is provided at a position shifted from the center line in the width direction of the first member 44A toward the side where the rotation stopping member 45a is provided. The guide member 58d is provided at a position shifted from the center line in the width direction of the second member 44B toward the side where the rotation stopping member 45b is provided.

  From the folded state shown in FIG. 11A, the first member 44A and the second member 44B are relatively rotated through the joint portion 44a, and the second headband 44 is extended. Then, since the wire 55 is shorter than the second headband 44, as shown in FIG. 11B, before the first member 44A and the second member 44B are fully opened, the wire 55 is interposed between the guide members 58c and 58d. It will be in a taut state.

  To further extend the second headband 44 from the state shown in FIG. 11B, as shown in FIG. 11C, the first member 44A and the second member 44B are arranged on the inner side (the side on which the wire 55 is provided). ), The angle between the first member 44A and the second member 44B is increased. By curving the first member 44A and the second member 44B, the second headband 44 can be extended while maintaining the wire length between the guide members 58c and 58d.

  Thereafter, when the second headband 44 is extended while the first member 44A and the second member 44B are bent, the wire 55 laid between the guide members 58c and 58d crosses the rotation shaft 45 of the joint portion 44a. To move. At this time, the reaction force from the first member 44 </ b> A and the second member 44 </ b> B that is bent in a state where the wire 55 is positioned on the axis of the rotation shaft 45 becomes maximum. After the wire 55 passes through the axis, the reaction force acts in the direction of widening the angle between the first member 44A and the second member 44B. Transition to the extended state.

  Finally, as shown in FIG. 11 (D), the rotation stopping member 45a of the first member 44A and the rotation stopping member 45b of the second member 44B are abutted against each other to stop the rotation. In the present embodiment, the rotation is stopped at a position where the angle between the first member 44A and the second member 44B is 180 °. In the extended state shown in FIG. 11D, the wire 55 is disposed between the center of the rotation shaft 45 and the rotation stopping members 45a and 45b. In this state, the wire 55 functions as a member that stops the second headband 44 from bending. The relative position between the wire 55 and the rotating shaft 45 in the extended state is adjusted by the arrangement positions of the guide members 58c and 58d.

  In the second headband 44 of the present embodiment, the direction in which the reaction force acts from the curved first member 44A and the second member 44B changes before and after the wire 55 crosses the axis of the rotation shaft 45 during the bending and stretching operation. To do. This change in the reaction force is detected as a click feeling to the user, and a good operation feeling can be obtained.

Next, FIG. 12 is an explanatory diagram regarding the weight balance of the head mounted display. Hereinafter, the weight balance of the headband 40 will be described with reference to FIG.
FIG. 12 (A) shows a normal use state corresponding to FIG. 3 (B). The head mounted display 1 is mainly supported by a first headband 43 that spans the top of the user's head and head pads 46 and 47 that sandwich the user's temporal region.

  FIG. 12A shows the moment about the axis with the straight line connecting the head pads 46 and 47 as the reference axis O. FIG. The moment for rotating the head mounted display 1 is a moment generated by the difference between the counterclockwise moment M1 in the figure due to the mass of the display body 20 and the clockwise moment M2 in the figure due to the weight of the second headband 44.

  With respect to the moment due to the rotation described above, the friction moment M3 due to the clamping force of the head pads 46 and 47 and the moment M4 due to the frictional force between the first headband 43 in contact with the user's head and the head surface If the sum exceeds, the head mounted display 1 is stably held on the user's head without rotating.

Here, since the frictional force between the first headband 43 and the head surface varies greatly depending on the state of the user's hair and the state of the scalp, the moment M4 due to this friction cannot be basically expected. Therefore, the condition for stabilizing the head mounted display 1 in FIG.
In Expression 1, it is assumed that the display main body 20 having many components of mechanical parts and electronic parts is heavier than the second headband 44 (M1> M2). When the second headband 44 is heavier, the left side of Equation 1 is (M2-M1).

  (M1-M2) <M3 (Formula 1)

  On the other hand, in FIG. 12B, the user is facing down. At this time, the second headband 44 supports the head mounted display 1 in contact with the user's back head. In the state shown in FIG. 12 (B), a counterclockwise moment M5 due to the weight of the first headband 43 acts. On the other hand, since the display body 20 is arranged vertically below the second headband 44, no moment around the reference axis due to the weight of the display body 20 is generated.

  In FIG. 12 (B), in order to stably hold the head mounted display 1 without dropping, the clockwise moment M3 illustrated by the clamping force of the head pads 46 and 47, the second headband 44, the head surface, It is a condition that the sum of the clockwise moments M6 due to the frictional force exceeds the moment M5 due to the weight of the first headband 43. However, the frictional force between the second headband 44 and the head surface also varies greatly depending on the conditions of the hair and scalp, similar to the moment M4. Accordingly, the condition for stabilizing the head mounted display 1 in FIG.

  M5 <M3 (Formula 2)

  Here, the first measure for reducing the burden on the user when the head mounted display 1 is mounted is to reduce the left side of Equation 1. Thus, even if the right side of Expression 1 is reduced, the expression can be satisfied, so that the clamping force of the head pads 46 and 47 can be reduced, and the burden on the user can be reduced.

  If the moment M1 due to the weight of the display body 20 is reduced, the left side of Equation 1 is reduced. However, it is not easy to reduce the weight of the display body 20 having many components. Therefore, the moment M2 due to the weight of the second headband 44 is increased to provide a counter balance for the moment M1. Thereby, the left side of Formula 1 can be made small.

  Next, as a second measure for reducing the burden on the user, the left side of Equation 2 is reduced. That is, the moment M5 due to the weight of the first headband 43 is reduced. Also in this case, since the moment M3 can be reduced, the tightening of the user's head can be weakened.

  From the above first and second measures, it is preferable that the moment M2 is larger and the moment M5 is smaller. Since the moments M3 and M5 correspond to the weights of the second headband 44 and the first headband 43, it is preferable to make the second headband 44 heavier than the first headband 43 as shown in the following Expression 3. Thereby, even if the moment M3 is reduced, the head mounted display 1 can be stably held on the user's head. And since moment M3 can be made small, tightening of a head can be weakened and a user's burden can be reduced.

  M2> M5 (Formula 3)

  Furthermore, in order to satisfy Expression 1 and Expression 2 at the same time, it is necessary to make the moment M3 larger than the larger one of the left side of Expression 1 (M1-M2) and the left side of Expression 2 (M5). That is, it is necessary to increase the clamping force of the head pads 46 and 47.

  Here, a case where the moment is set so that (M1-M2)> M5 is considered. In this case, both Formula 1 and Formula 2 can be satisfied by setting the moment M3 (the clamping force of the head pads 46 and 47) to satisfy Formula 1. That is, if the clamping force of the head pads 46 and 47 is set so that the head mounted display 1 is not displaced in the state where the user is most frequently used and faces the front, as shown in FIG. The head mounted display 1 does not rotate even when the user faces down.

  On the other hand, when the moment is set so that (M1−M2) <M5, the moment M3 is set so as to satisfy Expression 2. That is, the clamping force of the head pads 46 and 47 is set so that the head mounted display 1 does not rotate with the user facing down. In this case, the holding force of the head pads 46 and 47 must be increased in order for a user who is not frequently used to face down, which increases the burden on the user.

  In order to realize a head-mounted display that is easy to use and has a small burden on the user as described above, there is no significant difference in the radius of rotation between the first headband 43 and the second headband 44. In order to satisfy this, it is effective to make the second headband 44 heavier and the first headband 43 lighter.

Therefore, in the present embodiment, a configuration that facilitates making the second headband 44 heavy is employed.
Specifically, guide members 58a to 58f are provided on the inner surface side of the second headband 44, and the wire 55 is supported by these guide members 58a to 58f. Further, the width of the second headband 44 is made larger than that of the first headband 43. A metal spring member 48 is built in the second headband 44. Further, the second headband 44 is provided with a mark display portion 49 that is partially widened.

  Further, when the remote control 140 is connected, the USB cable 148 can be fixed to the second headband 44 by the clip 149. Alternatively, the cable 102 can be fixed to the second headband 44 by the clip 106 when the stereo earphone 100 is connected. The moment M2 can also be increased by fixing the cables to the second headband 44 in this way.

  Further, a part of the components built in the display main body 20 may be provided in the second headband 44. For example, the GPS sensor 135, the battery 33, and the like may be built in or carried by the second headband 44. In this case, the moment M2 can be increased without changing the total weight of the head mounted display 1.

  In the present embodiment, the first headband 43 disposed on the frontal head side is thin and the second headband 44 disposed on the rear head side is wide. When viewed obliquely from the front, there is an advantage that the headband 40 is not conspicuous and the appearance of the user is less disturbed.

  In the present embodiment, a mark display unit 49 is provided on the second headband 44. Since the second headband 44 is disposed closer to the user's occipital region than the first headband 43, compared to the case where a mark display unit is provided on the first headband 43 disposed on the top of the head, other people The mark can be displayed at a position that is easy to see.

  In the present embodiment, the wire 55 is exposed to the outside, but the entire second headband 44 including the wire 55 may be covered with a flexible bag-shaped (tubular) member such as an elastomer. Good. Thereby, the wire 55 is not exposed to the outside, and the second headband 44 having an integral appearance can be obtained.

(Second Embodiment)
Next, a head mounted display according to a second embodiment will be described with reference to the drawings.
FIG. 13 is a perspective view of a head mounted display according to the second embodiment. FIG. 14 is an explanatory diagram of the operation of the headband according to the second embodiment.
In the present embodiment, the same reference numerals are given to the same components as those in the previous embodiment, and detailed description thereof will be omitted.

  As shown in FIG. 13, the head mounted display 2 of the present embodiment includes a headband 240 and a display body 20 attached to one end of the headband 240. The configuration of the display main body 20 is the same as that of the first embodiment.

  The headband 240 includes a first headband 243, a second headband (band main body portion) 244, rotation mechanisms 56 and 57 connected to ends of the first headband 243 and the second headband 244, And head pads 46 and 47 provided on the band front end side with respect to the rotation mechanisms 56 and 57.

  The first headband 243 is a flexible member that is connected between the first band member 243A, the second band member 243B, and the first band member 243A and the second band member 243B, which are all made of a rod-shaped elastic body. The third band member 243C. The end of the first band member 243A opposite to the third band member 243C is connected to the rotation mechanism 56. The end of the second band member 243B opposite to the third band member 243C is connected to the rotation mechanism 57.

  The first band member 234A and the second band member 243B are made of, for example, a stainless steel rod having a relatively high rigidity with a diameter of about 1 mm. The first band member 243A and the second band member 243B are substantially straight rods when no stress is applied. The third band member 243C is a flexible member such as a stainless wire having a diameter of about 0.5 mm.

  Each of the second headbands 244 includes a first member 244A made of a rod-like elastic body, a second member 244B, and a third member 244C connected between the first member 244A and the second member 244B. . The first member 244A and the third member 244C are connected via a bendable joint portion 251. The second member 244B and the third member 244C are connected via a bendable joint portion 252. The joint portions 251 and 252 have swinging shafts that allow the first member 244A and the second member 44B to be folded inward with respect to the third member 244C. The end of the first member 244A opposite to the joint 251 is connected to the rotation mechanism 56. The end of the second member 244B opposite to the joint portion 252 is connected to the rotation mechanism 57.

  The first member 244A, the second member 244B, and the third member 244C constituting the second headband 244 are plate-like springs, similarly to the first member 44A and the second member 44B according to the first embodiment. A structure in which a resin is coated around the member is provided. The first member 244A, the second member 244B, and the third member 244C have a substantially straight rod shape without applying stress.

  The rotation mechanisms 56 and 57 have the same configuration as in the first embodiment. That is, the second headband 244 is urged to rotate in a direction away from the first headband 243 by the rotation mechanism 56, while being within a predetermined angle with respect to the first headband 243 by the rotation mechanism 57. Rotation is restricted. Accordingly, the second headband 244 is held at a predetermined angle with respect to the first headband 243. Therefore, the rotation mechanisms 56 and 57 function as an angle holding mechanism in the headband 240.

  Guide members 258a to 258d and wires 55 supported by these guide members 258a to 258d are provided on the inner surface side of the second headband 244. A wire adjustment mechanism 255 that adjusts the distance between the wire 55 and the third member 244C is provided at the center in the length direction of the third member 244C (the top of the second headband 244).

  The wire adjustment mechanism 255 has a guide hole through which the wire 55 is inserted, and is screwed into a guide screw 256 inserted into a through hole penetrating the third member 244C in the thickness direction, and a male screw portion of the guide screw 256. And a curvature adjusting nut 257. The guide screw 256 passes through the second headband 244 from the inner surface to the outer surface with the wire 55 inserted through the guide hole, and is held by the second headband 244 by the wire 55 and the curvature adjusting nut 257. Has been.

  The headband 240 of the present embodiment having the above configuration can be folded by bending the second headband 244 at the two joint portions 251 and 252 as shown in FIG. Specifically, the first headband 243 and the second headband 244 are arranged in an overlapping manner by swinging the second headband 244 via the rotation mechanisms 56 and 57. Next, the first member 244A and the second member 244B of the second headband 244 are rocked inward toward the third member 244C, respectively. As a result, the second headband 244 is folded to a length of about 1/3. The first headband 243 is also folded into three when the flexible third band member 243C is bent.

  In the folded state shown in FIG. 14B, the distance between the guide member 258a and the guide member 258b disposed with the joint portion 251 interposed therebetween is shortened, and the guide member 258c and the guide member 258d disposed with the joint portion 252 interposed therebetween. The distance to is also shortened. As a result, the tension of the wire 55 that curved the second headband 244 is released, so the first member 244A, the second member 244B, and the third member 244C are stretched to reduce the curvature, and are almost straight. Become a shape.

  As described above, also in the headband 240 of the present embodiment, the curvature of each component is reduced by folding the first headband 243 and the second headband 244. As a result, the thickness of the headband 240 in the folded state is reduced, resulting in a compact headband.

  In the present embodiment, the joint portions 251 and 252 have the same function as the joint portion 44a according to the previous embodiment. As shown in FIG. 14, when the second headband 244 is in the extended state, the wire 55 is disposed closer to the headband than the rotation shafts of the joint portions 251 and 252. By being arranged in this way, the second headband 244 is held in the extended state by the tension of the wire 55.

  Further, the joint portions 251 and 252 provide the user with the same click feeling as the joint portion 44a according to the previous embodiment in the folding operation of the second headband 244 and the extending operation of extending from the bent state. That is, a click feeling is provided to the user by a change in stress acting on the second headband 244 from the wire 55 before and after the wire 55 crosses the rotation axis of the joint portions 251 and 252.

  In the headband 240 of this embodiment, the curvature adjusting nut 257 of the wire adjusting mechanism 255 and the guide screw 256 are screwed together. When the curvature adjusting nut 257 is rotated, the guide screw 256 is moved in the length direction because the rotation of the guide screw 256 is restricted by the wire 55. Thereby, the distance of the wire 55 and the 3rd member 244C can be increased / decreased. That is, the wire adjustment mechanism 255 in this embodiment is an interval adjustment mechanism that adjusts the interval between the second headband 244 and the wire 55.

By pulling the wire 55 to the third member 244C by the wire adjustment mechanism 255, the curvature of the second headband 244 can be increased. On the other hand, when the wire 55 is moved away from the third member 244C by the wire adjusting mechanism 255, the curvature of the second headband 244 can be reduced. By these operations, it is possible to adjust the pressing force on the user's head, and it is also possible to adjust the positions of the head pads 46 and 47 according to the size of the head.
In addition, as a wire adjustment mechanism, it is not restricted to what adjusts the distance of the wire 55 and a headband like this embodiment. For example, a clip or a wire holder that can fix and hold the wire 55 at an arbitrary position may be used.

Here, FIG. 15 is a diagram illustrating a modification of the second headband according to the second embodiment.
The second headband 344 according to the modification shown in FIG. 15 is the second headband 244 according to the above-described embodiment, wherein an expansion / contraction mechanism 261 is provided between the first member 244A and the rotation mechanism 56, and the second member The telescopic mechanism 262 is provided between the 244B and the rotation mechanism 57.

  The telescopic mechanism 261 includes an extension band part 261a and a slider 261b that is connected to one end side of the extension band part 261a and slides on the first member 44A. A rotation mechanism 56 is connected to the distal end side (the side opposite to the slider 261b) of the extension band portion 261a. The telescopic mechanism 262 includes an extension band portion 262a and a slider 262b that is connected to one end side of the extension band portion 262a and slides on the second member 44B. A rotation mechanism 57 is connected to the distal end side of the extension band portion 262a.

  In the second headband 344 according to the modified example having the above-described configuration, the positions of the head pads 46 and 47 can be adjusted by moving the sliders 261b and 262b in the S direction in the figure. Therefore, by using it together with the adjustment of the head pads 46 and 47 in the illustrated R direction by the wire adjusting mechanism 255, a headband that can be easily fitted to the user's head is obtained.

(Third embodiment)
Next, a head mounted display according to a third embodiment will be described with reference to the drawings.
FIG. 16 is a perspective view of a head mounted display according to the third embodiment.
In the present embodiment, the same reference numerals are given to the same components as those in the previous embodiment, and detailed description thereof will be omitted.

  As shown in FIG. 16, the head mounted display 3 of the present embodiment includes a headband 540 and a display body 20 attached to one end of the headband 540. The configuration of the display main body 20 is the same as that of the first embodiment.

  The headband 540 includes a first headband 43, a second headband (band main body portion) 544, and rotation mechanisms 56 and 57 connected to ends of the first headband 43 and the second headband 544, And a head pad 47 provided on the front end side of the band with respect to the rotation mechanism 57. A head pad similar to that of the first embodiment is provided on the band distal end side of the rotation mechanism 56.

  A wire 55 is disposed along the inner surface of the second headband 544. The wire 55 is inserted and supported by guide members 258 a to 258 f provided on the inner surface of the second headband 544. In addition, coil springs (elastic bodies) 550a and 550b are connected to both ends of the wire 55. The end of the coil spring 550 a opposite to the wire 55 is connected to the rotation mechanism 56. The end of the coil spring 550 b opposite to the wire 55 is connected to the rotation mechanism 57.

  In the second headband 544 of the present embodiment, a wire winding mechanism 551 connected to the wire 55 is provided at the center in the length direction (the top of the arc). The wire winding mechanism 551 is a screw member that is rotatably supported by the second headband 544, and has a configuration capable of winding or feeding the wire 55 around the screw shaft. The wire winding mechanism 551 prevents the wire 55 from being fed out by the tension of the wire 55 by a latch mechanism (not shown).

  In the headband 540 of the present embodiment having the above-described configuration, the relative length relationship between the wire 55 and the second headband 44 is adjusted by winding or feeding the wire 55 by the wire winding mechanism 551. be able to. Thereby, a curvature can be adjusted, without changing the length of the 2nd headband 44, and the outstanding wearability with respect to a user's head can be acquired.

  In the present embodiment, coil springs 550 a and 550 b are provided at both ends of the wire 55. By providing these coil springs 550a and 550b, the headband can be easily spread when the headband 540 is mounted on the user's head. Thereby, the operativity which was excellent at the time of desorption can be obtained.

  The coil springs 550a and 550b are not essential in the present embodiment, and may be provided as necessary. Further, the coil springs 550a and 550b may be provided in the headband 40 shown in FIG. 1 or the headband 240 shown in FIG.

(Fourth embodiment)
Next, a headband according to a fourth embodiment will be described with reference to the drawings.
FIG. 17 is a diagram showing a headband according to the fourth embodiment.
In the present embodiment, the same reference numerals are given to the same components as those in the previous embodiment, and detailed description thereof will be omitted.

  As shown in FIG. 17A, the headband 640 of the present embodiment includes an arc-shaped band main body 644, head pads 46 and 47 provided at the ends of the band main body 644, and the band main body 644. And a shape regulating member 658 fixed by an adjusting screw (advance / retreat mechanism) 651.

  The shape regulating member 658 is a half-pipe-shaped member (a bowl-shaped member having a U-shaped cross section) that is curved in an arc shape in a side view. The shape regulating member 658 has a larger curvature than the band main body 644 in a state where the shape regulating member 658 is not attached. The shape regulating member 658 is attached to the band main body 644 so that the inner surface thereof faces the outer surface of the band main body 644. A screw shaft of the adjustment screw 651 is inserted from the outside into a through hole provided in the center of the shape regulating member 658. The adjustment screw 651 is screwed into a screw hole that penetrates the band main body 644 in the radial direction.

  In the headband 640 of the present embodiment having the above configuration, the distance between the head pads 46 and 47 can be adjusted by the screwing depth of the adjusting screw 651. FIG. 17A shows a state where the adjustment screw 651 is loosened, and FIG. 17B shows a state where the adjustment screw 651 is tightened. Comparing the two figures, in the state where the adjustment screw 651 shown in FIG. 17A is loosened, the distance between the inner surface of the shape regulating member 658 and the band main body 644 is large, and thus the curvature of the band main body 644 is relative. It is a small state. At this time, the head pads 46 and 47 are arranged at a relatively wide interval (distance W1).

  When the adjustment screw 651 is tightened after the adjustment screw 651 in FIG. 17A is loosened, the adjustment screw 651 is screwed into the screw hole of the band main body 644 as shown in FIG. As a result, a part of the band main body 644 is drawn into the shape regulating member 658 and inside the shape regulating member 658 (the portion between the end portions 658a and 658b), the inner surface of the shape regulating member 658 and the band main body portion. The space | interval with 644 becomes narrow. Then, the band main body 644 that is an elastic body is curved along the shape regulating member 658, and the band main body 644 moves in the R direction in the figure (the curvature of the band main body 644 increases). As a result, the distance (distance W2, W2 <W1) between the head pads 46 and 47 at the tip of the band main body 644 is narrowed.

  As described above, according to the headband 640 of the present embodiment, the interval between the head pads 46 and 47 can be freely adjusted by changing the length of the band main body 644 by rotating the adjustment screw 651. Can do. Thereby, it is possible to easily fit the user's head.

  DESCRIPTION OF SYMBOLS 1 ... Head mounted display (head mounting apparatus), 44, 244, 544 ... 2nd headband (band main-body part), 55 ... Wire, 450a, 450b ... End part, 451, 452 ... Engagement hole (fixed part) 550a, 550b ... coil spring (elastic body), 551 ... wire winding mechanism, 644 ... band main body, 658 ... shape regulating member

Claims (9)

An arc-shaped band body mounted on the user's head;
A pressing force adjusting unit that changes the bending state of the band main body and adjusts the pressing force to the head; and
Having a headband. The pressing force adjusting unit is
Both ends are connected to the band main body part directly or via other members and are arranged along the band main body part,
A tension adjusting mechanism for changing the tension acting on the wire;
The headband according to claim 1, comprising:   The headband according to claim 2, wherein a plurality of fixing portions for fixing the end portion of the wire are provided on the band main body portion.   The headband according to claim 2, further comprising an interval adjusting mechanism that adjusts an interval between the band main body portion and the wire.   The headband according to claim 2, further comprising a wire winding mechanism that winds or feeds the wire.   The headband according to claim 3, comprising an elastic body connected to the wire. The pressing force adjusting unit is
A curved shape regulating member provided to cover at least a part of the band main body,
An advancing and retreating mechanism for advancing and retracting the band main body with respect to the inner surface of the shape regulating member;
The headband according to claim 1, comprising:   The headband according to claim 7, wherein the shape regulating member is a bowl-shaped member having a U-shaped cross section.   A head-mounted device, comprising: the headband according to claim 1; and an electronic device supported by the headband.

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